1. T. Starner, B. Schiele, A. Pentland, Visual contextual awareness in wearable computing, in: Proceedings of the Second International Symposium on Wearable Computers, ISWC 1998, 1998, pp. 50–57
2. B. Clarkson, A. Pentland, Unsupervised clustering of ambulatory audio and video, MIT Media Lab, Perceptual Computing Group, 1998
3. Advanced interaction in context;Schmidt,1999
4. K.V. Laerhoven, O. Cakmakci, What shall we teach our pants? in: Proceedings of the Fourth International Symposium on Wearable Computers, ISWC 2000, 2000
5. Detection of of posture and motion by accelerometry: A validation study in ambulatory monitoring;Foerster;Computers in Human Behavior,1999